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Canon G7 X vs T6i

The Canon PowerShot G7 X and the Canon EOS Rebel T6i (labelled Canon 750D in some countries) are two digital cameras that were revealed to the public, respectively, in September 2014 and February 2015. The G7X is a fixed lens compact, while the T6i is a DSLR. The cameras are based on an one-inch (G7X) and an APS-C (T6i) sensor. The G7X has a resolution of 20 megapixels, whereas the T6i provides 24 MP.

Below is an overview of the main specs of the two cameras as a starting point for the comparison.

Headline Specifications
Canon G7 X versus Canon T6i
Canon G7 X Canon T6i
Fixed lens compact camera Digital single lens reflex
24-100mm f/1.8-2.8 Canon EF mount lenses
20 MP, 1" Sensor 24 MP, APS-C Sensor
1080/60p Video 1080/30p Video
ISO 125-12,800 ISO 100-12,800 (100 - 25,600)
No viewfinder, LCD framing Optical viewfinder
3.0 LCD, 1040k dots 3.0 LCD, 1040k dots
Tilting touchscreen Swivel touchscreen
6.5 shutter flaps per second 5 shutter flaps per second
210 shots per battery charge440 shots per battery charge
103 x 60 x 40 mm, 304 g 132 x 101 x 78 mm, 555 g

Going beyond this snapshot of core features and characteristics, what are the differences between the Canon PowerShot G7 X and the Canon EOS Rebel T6i? Which one should you buy? Read on to find out how these two cameras compare with respect to their body size, their imaging sensors, their shooting features, their input-output connections, and their reception by expert reviewers.

Body comparison

The physical size and weight of the Canon G7 X and the Canon T6i are illustrated in the side-by-side display below. The two cameras are presented according to their relative size. Three successive views from the front, the top, and the rear are shown. All width, height and depth measures are rounded to the nearest millimeter.

Size Canon G7 X vs Canon T6i
Compare G7X versus T6i top
Comparison G7X or T6i rear

If the front view area (width x height) of the cameras is taken as an aggregate measure of their size, the Canon T6i is considerably larger (116 percent) than the Canon G7 X. In this context, it is worth noting that neither the G7X nor the T6i are weather-sealed.

The above size and weight comparisons are to some extent incomplete and possibly misleading, as the G7X has a lens built in, whereas the T6i is an interchangeable lens camera that requires a separate lens. Attaching the latter will add extra weight and bulk to the setup. You can compare the optics available for the T6i and their specifications in the Canon EF Lens Catalog.

Concerning battery life, the G7X gets 210 shots out of its NB-13L battery, while the T6i can take 440 images on a single charge of its LP-E17 power pack.

The table below summarizes the key physical specs of the two cameras alongside a broader set of comparators. If you would like to visualize and compare a different camera combination, just use the right or left arrows in the table to switch to the respective camera. Alternatively, you can also navigate to the CAM-parator app and make your selection from the full list of cameras there.

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Body Specifications
  Camera
Model
Camera
Width
Camera
Height
Camera
Depth
Camera
Weight
Battery
Life 1
Weather
Sealing
Camera
Launch 2
Launch
Price (USD)
Street
Price
 
Canon G7 X 103 mm 60 mm 40 mm 304 g 210 n Sep 2014 699i
 
Canon T6i 132 mm 101 mm 78 mm 555 g 440 n Feb 2015 749i
 
Canon 77D 131 mm 100 mm 76 mm 540 g 600 n Feb 2017 899 i
 
Canon T7i 131 mm 100 mm 76 mm 532 g 600 n Feb 2017 749i
 
Canon G7 X Mark II 106 mm 61 mm 42 mm 319 g 265 n Feb 2016 699i
 
Canon 750D 132 mm 101 mm 78 mm 555 g 440 n Feb 2015 749i
 
Canon G5 X 112 mm 76 mm 44 mm 353 g 210 n Oct 2015 799i
 
Canon G9 X 98 mm 58 mm 31 mm 209 g 220 n Oct 2015 529i
 
Canon M3 111 mm 68 mm 44 mm 366 g 250 n Feb 2015 679i
 
Canon M10 108 mm 67 mm 35 mm 301 g 255 n Oct 2015 499i
 
Canon T6s 132 mm 101 mm 78 mm 565 g 440 n Feb 2015 649i
 
Canon T5i 133 mm 100 mm 79 mm 580 g 440 n Mar 2013 649i
 
Canon T4i 133 mm 100 mm 79 mm 575 g 440 n Jun 2012 849i
 
Sony RX100 IV 102 mm 58 mm 41 mm 298 g 280 n Jun 2015 999i
 
Sony A6000 120 mm 67 mm 45 mm 344 g 360 n Feb 2014 599i
 
Sony RX100 III 102 mm 58 mm 41 mm 290 g 320 n May 2014 799i
 
Sony RX100 II 102 mm 58 mm 38 mm 281 g 350 n Jun 2013 749i
Notes: Measurements and pricing do not include easily detachable parts, such as add-on or interchangeable lenses or optional viewfinders.
(1) Number of images that can be taken on a full battery charge according to the CIPA-standard; (2) Official announcement.

The price is, of course, an important factor in any camera decision. The retail prices at the time of the camera’s release place the model in the market relative to other models in the producer’s line-up and the competition. The G7X was launched at a lower price than the T6i, despite having a lens built in. Normally, street prices remain initially close to the MSRP, but after a couple of months, the first discounts appear. Later in the product cycle and, in particular, when the replacement model is about to appear, further discounting and stock clearance sales often push the camera price considerably down.

Sensor comparison

The size of the imaging sensor is a crucial determinant of image quality. All other things equal, a large sensor will have larger individual pixel-units that offer better low-light sensitivity, wider dynamic range, and richer color-depth than smaller pixels in a sensor of the same technological generation. Moreover, a large sensor camera will give the photographer more control over depth-of-field in the image and, thus, the ability to better isolate a subject from the background. On the downside, larger sensors tend to be associated with larger, more expensive camera bodies and lenses.

Of the two cameras under consideration, the Canon G7 X features an one-inch sensor and the Canon T6i an APS-C sensor. The sensor area in the T6i is 186 percent bigger. As a result of these sensor size differences, the cameras have a format factor of, respectively, 2.7 and 1.6. Both cameras have a native aspect ratio (sensor width to sensor height) of 3:2.

Canon G7 X and Canon T6i sensor measures

With 24MP, the T6i offers a higher resolution than the G7X (20MP), but the T6i nevertheless has larger individual pixels (pixel pitch of 3.72μm versus 2.41μm for the G7X) due to its larger sensor. Moreover, the T6i is a somewhat more recent model (by 4 months) than the G7X, and its sensor might have benefitted from technological advances during this time that further enhance the light gathering capacity of its pixel-units.

The resolution advantage of the Canon T6i implies greater flexibility for cropping images or the possibility to print larger pictures. The maximum print size of the T6i for good quality output (200 dots per inch) amounts to 30 x 20 inches or 76.2 x 50.8 cm, for very good quality (250 dpi) 24 x 16 inches or 61 x 40.6 cm, and for excellent quality (300 dpi) 20 x 13.3 inches or 50.8 x 33.9 cm. The corresponding values for the Canon G7 X are 27.4 x 18.2 inches or 69.5 x 46.3 cm for good quality, 21.9 x 14.6 inches or 55.6 x 37.1 cm for very good quality, and 18.2 x 12.2 inches or 46.3 x 30.9 cm for excellent quality prints.

The T6i has on-sensor phase detect pixels, which results in fast and reliable autofocus acquisition even during live view operation.

The Canon PowerShot G7 X has a native sensitivity range from ISO 125 to ISO 12800. The corresponding ISO settings for the Canon EOS Rebel T6i are ISO 100 to ISO 12800, with the possibility to increase the ISO range to 100-25600.

G7X versus T6i MP

For many cameras, data on sensor performance has been reported by DXO Mark. This service determines an overall sensor rating, as well as sub-scores for low-light sensitivity ("DXO Sports"), dynamic range ("DXO Landscape"), and color depth ("DXO Portrait"). The Overall DXO ratings for the two cameras under consideration are close, suggesting that they provide similar imaging performance. The table below summarizes the physical sensor characteristics and sensor quality findings and compares them across a set of similar cameras.

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Sensor Characteristics
  Camera
Model
Sensor
Class
Resolution
(MP)
Horiz.
Pixels
Vert.
Pixels
Video
Format
DXO
Portrait
DXO
Landscape
DXO
Sports
DXO
Overall
 
Canon G7 X 1-inch 20.0 5472 36481080/60p23.012.755671
 
Canon T6i APS-C 24.0 6000 40001080/30p22.712.091971
 
Canon 77D APS-C 24.0 6000 40001080/60p23.613.397178
 
Canon T7i APS-C 24.0 6000 40001080/60p........
 
Canon G7 X Mark II 1-inch 20.0 5472 36481080/60p........
 
Canon 750D APS-C 24.0 6000 40001080/30p22.712.091971
 
Canon G5 X 1-inch 20.0 5472 36481080/60p........
 
Canon G9 X 1-inch 20.0 5472 36481080/60p21.512.349563
 
Canon M3 APS-C 24.0 6000 40001080/30p22.811.8116972
 
Canon M10 APS-C 17.9 5184 34561080/30p22.211.475365
 
Canon T6s APS-C 24.0 6000 40001080/30p22.612.091570
 
Canon T5i APS-C 17.9 5184 34561080/30p21.711.268161
 
Canon T4i APS-C 17.9 5184 34561080/30p21.711.272262
 
Sony RX100 IV 1-inch 20.0 5472 36484K/30p22.812.659170
 
Sony A6000 APS-C 24.0 6000 40001080/60p24.113.1134782
 
Sony RX100 III 1-inch 20.0 5472 36481080/60p22.412.349567
 
Sony RX100 II 1-inch 20.0 5472 36481080/60p22.512.448367

Many modern cameras cannot only take still pictures, but also record videos. The two cameras under consideration both have sensors whose read-out speed is fast enough to capture moving pictures, but the G7X provides a higher frame rate than the T6i. It can shoot video footage at 1080/60p, while the T6i is limited to 1080/30p.

Feature comparison

Apart from body and sensor, cameras can and do differ across a variety of features. For example, the T6i has an optical viewfinder, which can be very useful when shooting in bright sunlight. In contrast, the G7X relies on live view and the rear LCD for framing. The following table reports on some other key feature differences and similarities of the Canon G7 X, the Canon T6i, and comparable cameras.

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Core Features
  Camera
Model
Viewfinder
(Type or
000 dots)
Control
Panel
(yes/no)
LCD
Size
(inch)
LCD
Resolution
(000 dots)
LCD
Attach-
ment
Touch
Screen
(yes/no)
Mech
Shutter
Speed
Shutter
Flaps
(1/sec)
Built-in
Flash
(yes/no)
Built-in
Image
Stab
 
Canon G7 Xnone n 3.0 1040 tilting Y 1/2000s 6.5 Y Y
 
Canon T6ioptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
 
Canon 77Doptical Y 3.0 1040 swivel Y 1/4000s 6.0 Y n
 
Canon T7ioptical n 3.0 1040 swivel Y 1/4000s 6.0 Y n
 
Canon G7 X Mark IInone n 3.0 1040 tilting Y 1/2000s 8.0 Y Y
 
Canon 750Doptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
 
Canon G5 X2360 n 3.0 1040 swivel Y 1/2000s 5.9 Y Y
 
Canon G9 Xnone n 3.0 1040 fixed Y 1/2000s 6.0 Y Y
 
Canon M3optional n 3.0 1040 tilting Y 1/4000s 4.2 Y n
 
Canon M10none n 3.0 1040 tilting Y 1/4000s 4.6 Y n
 
Canon T6soptical Y 3.0 1040 swivel Y 1/4000s 5.0 Y n
 
Canon T5ioptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
 
Canon T4ioptical n 3.0 1040 swivel Y 1/4000s 5.0 Y n
 
Sony RX100 IV2359 n 3.0 1228 tilting n 1/2000s 16.0 Y Y
 
Sony A60001440 n 3.0 922 tilting n 1/4000s 11.0 Y n
 
Sony RX100 III1440 n 3.0 1229 tilting n 1/2000s 10.0 Y Y
 
Sony RX100 IIoptional n 3.0 1229 tilting n 1/2000s 10.0 Y Y
Both cameras have an articulated rear screen that can be turned to be front-facing. This feature will be particularly appreciated by vloggers and photographers who are interested in taking selfies.

The Canon G7 X has an intervalometer built-in. This enables the photographer to capture time lapse sequences, such as flower blooming, a sunset or moon rise, without purchasing an external camera trigger and related software.

Concerning the storage of imaging data, both the G7X and the T6i write their files to SDXC cards. Both cameras can use UHS-I cards, which provide for Ultra High Speed data transfer of up to 104 MB/s.

Connectivity comparison

For some imaging applications, the extent to which a camera can communicate with its environment can be an important aspect in the camera decision process. The table below provides an overview of the connectivity of the Canon PowerShot G7 X and Canon EOS Rebel T6i and, in particular, the interfaces the cameras (and selected comparators) provide for accessory control and data transfer.

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Input-Output Connections
  Camera
Model
Hotshoe
Port
Internal
Microphone
Internal
Speaker
Microphone
Port
Headphone
Port
HDMI
Port
USB
Port
WiFi
Support
NFC
Support
Bluetooth
Support
 
Canon G7 X-stereomono--micro2.0YY-
 
Canon T6iYstereomonoY-mini2.0YY-
 
Canon 77DYstereomonoY-mini2.0YYY
 
Canon T7iYstereomonoY-mini2.0YYY
 
Canon G7 X Mark II-stereomono--micro2.0YY-
 
Canon 750DYstereomonoY-mini2.0YY-
 
Canon G5 XYstereomono--mini2.0YY-
 
Canon G9 X-stereomono--micro2.0YY-
 
Canon M3YstereomonoY-mini2.0YY-
 
Canon M10-stereomono--mini2.0YY-
 
Canon T6sYstereomonoY-mini2.0YY-
 
Canon T5iYstereomonoY-mini2.0---
 
Canon T4iYstereomonoY-mini2.0---
 
Sony RX100 IV-stereomono--micro2.0YY-
 
Sony A6000Ystereomono--micro2.0YY-
 
Sony RX100 III-stereomono--micro2.0YY-
 
Sony RX100 IIYstereomono--micro2.0YY-

It is notable that the T6i has a microphone port, which can help to improve the quality of audio recordings by attaching an external microphone. The G7X does not feature such a mic input.

Both the G7X and the T6i have been discontinued, but can regularly be found used on eBay. The G7X was replaced by the Canon G7 X Mark II, while the T6i was followed by the Canon T7i. Further information on the two cameras (e.g. user guides, manuals), as well as related accessories, can be found on the official Canon website.

Review summary

So how do things add up? Which of the two cameras – the Canon G7 X or the Canon T6i – has the upper hand? Is one clearly better than the other? The listing below highlights the relative strengths of the two models.


Reasons to prefer the Canon PowerShot G7 X:

  • More dynamic range: Captures a larger spectrum of light and dark details (0.7 EV of extra DR).
  • Better video: Provides higher movie framerates (1080/60p versus 1080/30p).
  • Faster burst: Shoots at higher frequency (6.5 vs 5 flaps/sec) to capture the decisive moment.
  • Easier time-lapse photography: Has an intervalometer built-in for low frequency shooting.
  • Ready to shoot: Comes with a built-in lens, while the T6i requires a separate lens.
  • More compact: Is smaller (103x60mm vs 132x101mm) and thus needs less room in the bag.
  • Less heavy: Is lighter even though it comes with a built-in lens (unlike the T6i).
  • Sharper images: Has hand-shake reducing image stabilization built-in.
  • More affordable: Was introduced at a lower price, despite coming with a built-in lens.
  • More heavily discounted: Has been on the market for longer (launched in September 2014).


Arguments in favor of the Canon EOS Rebel T6i:

  • More detail: Has more megapixels (24 vs 20MP), which boosts linear resolution by 10%.
  • Better low-light sensitivity: Can shoot in dim conditions (0.7 stops ISO advantage).
  • Better live-view autofocus: Features on-sensor phase-detection for more confident autofocus.
  • Better sound: Can connect to an external microphone for higher quality sound recording.
  • Easier framing: Has an optical viewfinder for image composition and settings control.
  • More flexible LCD: Has a swivel screen for odd-angle shots in portrait or landscape orientation.
  • Faster shutter: Has higher mechanical shutter speed (1/4000s vs 1/2000s) to freeze action.
  • More flexible: Makes it possible to change lenses and thus to use specialty optics.
  • Longer lasting: Gets more shots (440 versus 210) out of a single battery charge.
  • Better lighting: Features a hotshoe and can thus hold and trigger an external flash gun.
  • More modern: Was introduced somewhat (4 months) more recently.

If the count of relative strengths (bullet points above) is taken as a measure, the T6i comes out slightly ahead of the G7X (11 : 10 points). However, the relevance of individual strengths will vary across photographers, so that you might want to apply your own weighing scheme to the summary points when reflecting and deciding on a new camera. A professional wildlife photographer will view the differences between cameras in a way that diverges from the perspective of a family photog, and a person interested in architecture has distinct needs from a sports shooter. Hence, the decision which camera is best and worth buying is often a very personal one.

G7X 10:11 T6i

How about other alternatives? Do the specifications of the Canon G7 X and the Canon T6i place the cameras among the top in their class? Find out in the latest Best Travel-Zoom Camera and Best DSLR Camera listings whether the two cameras rank among the cream of the crop.

In any case, while the comparison of technical specifications can provide a useful overview of the capabilities of different cameras, it says little about, for example, the shooting experience and imaging performance of the G7X and the T6i in practical situations. At times, user reviews, such as those published at amazon, address these issues in a useful manner, but such feedback is on many occasions incomplete, inconsistent, and unreliable.

Expert reviews

This is why expert reviews are important. The adjacent summary-table relays the overall verdicts of several of the most popular camera review sites (cameralabs, dpreview, ephotozine, imaging-resource, and photographyblog). As can be seen, the professional reviewers agree in many cases on the quality of different cameras, but sometimes their assessments diverge, reinforcing the earlier point that a camera decision is often a very personal choice.

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Review Scores
  Camera
Model
camera
  labs  
dp
review  
ephoto
  zine  
imaging
resource
photography
  blog  
Camera
Launch
Launch
Price (USD)
Street
Price
 
Canon G7 X+ +77/1004.5/53.5/54.5/5 Sep 2014 699i
 
Canon T6i..75/1004.5/54.5/54.5/5 Feb 2015 749i
 
Canon 77D..82/1004.5/54.5/54/5 Feb 2017 899 i
 
Canon T7i..80/1004.5/54/54/5 Feb 2017 749i
 
Canon G7 X Mark II+ +81/1004.5/54/54.5/5 Feb 2016 699i
 
Canon 750D..75/1004.5/54.5/54.5/5 Feb 2015 749i
 
Canon G5 X+ +78/1004.5/54/54.5/5 Oct 2015 799i
 
Canon G9 X+ +..4.5/54/54.5/5 Oct 2015 529i
 
Canon M3o75/1004.5/54.5/54/5 Feb 2015 679i
 
Canon M10......o4/5 Oct 2015 499i
 
Canon T6s+77/1004.5/54.5/54.5/5 Feb 2015 649i
 
Canon T5i..76/1004.5/54.5/54.5/5 Mar 2013 649i
 
Canon T4i+ +77/1004.5/54.5/54.5/5 Jun 2012 849i
 
Sony RX100 IV+ +85/1004/54.5/54.5/5 Jun 2015 999i
 
Sony A6000+80/1004.5/55/55/5 Feb 2014 599i
 
Sony RX100 III+ +82/1004.5/54.5/55/5 May 2014 799i
 
Sony RX100 II+ +79/1004.5/55/54.5/5 Jun 2013 749i
Notes: (+ +) highly recommended; (+) recommended; (o) reviewed; (..) not available.

The above review scores should be interpreted with care, though. The assessments were made in relation to similar cameras of the same technological generation. Thus, a score needs to be put into the context of the launch date and the launch price of the camera, and comparisons of ratings among very different cameras or across long time periods have little meaning. It should also be noted that some of the review sites have over time altered the way they render their verdicts.

Canon G7 X:
Check Ebay offers
Canon T6i:
Check Ebay offers

Other camera comparisons

Did this review help to inform your camera decision process? If you would like to see a different side-by-side camera review, just make a corresponding selection in the search boxes below. As an alternative, you can also directly jump to any one of the listed comparisons that were previously generated by the CAM-parator tool.

~

    Specifications: Canon G7 X vs Canon T6i

    Below is a side-by-side comparison of the specs of the two cameras to facilitate a quick review of their differences and common features.

    Camera Specifications
    Camera Model Canon G7 X Canon T6i
    Camera Type Fixed lens compact camera Digital single lens reflex
    Camera Lens 24-100mm f/1.8-2.8 Canon EF mount lenses
    Launch Date September 2014 February 2015
    Launch Price USD 699 USD 749
    Sensor Specs Canon G7 X Canon T6i
    Sensor Technology BSI-CMOS CMOS
    Sensor Format 1" Sensor APS-C Sensor
    Sensor Size 13.2 x 8.8 mm 22.3 x 14.9 mm
    Sensor Area 116.16 mm2 332.27 mm2
    Sensor Diagonal 15.9 mm 26.8 mm
    Crop Factor 2.7x 1.6x
    Sensor Resolution 20 Megapixels 24 Megapixels
    Image Resolution 5472 x 3648 pixels 6000 x 4000 pixels
    Pixel Pitch 2.41 μm 3.72 μm
    Pixel Density 17.18 MP/cm2 7.22 MP/cm2
    Moiré control Anti-Alias filter Anti-Alias filter
    Movie Capability 1080/60p Video 1080/30p Video
    ISO Setting 125 - 12,800 ISO 100 - 12,800 ISO
    ISO Boost no Enhancement 100 - 25,600 ISO
    Image Processor DIGIC 6 DIGIC 6
    DXO Sensor Quality (score) 71 71
    DXO Color Depth (bits) 23.0 22.7
    DXO Dynamic Range (EV) 12.7 12.0
    DXO Low Light (ISO) 556 919
    Screen Specs Canon G7 X Canon T6i
    Viewfinder Type no viewfinder Optical viewfinder
    Viewfinder Field of View 95%
    Viewfinder Magnification 0.51x
    LCD Framing Live View Live View
    Rear LCD Size 3.0inch 3.0inch
    LCD Resolution 1040k dots 1040k dots
    LCD Attachment Tilting screen Swivel screen
    Touch Input Touchscreen Touchscreen
    Shooting Specs Canon G7 X Canon T6i
    Focus System Contrast-detect AF Phase-detect AF
    Manual Focusing AidFocus Peakingno Peaking Feature
    Continuous Shooting 6.5 shutter flaps/s 5 shutter flaps/s
    Time-Lapse PhotographyIntervalometer built-inno Intervalometer
    Fill Flash Build-in Flash Build-in Flash
    Storage Medium SDXC cards SDXC cards
    Second Storage Option Single card slot Single card slot
    UHS card support UHS-I UHS-I
    Connectivity Specs Canon G7 X Canon T6i
    External Flash no Hotshoe Hotshoe
    USB Connector USB 2.0 USB 2.0
    HDMI Port micro HDMI mini HDMI
    Microphone Port no MIC socket External MIC port
    Wifi Support Wifi built-in Wifi built-in
    Near-Field Communication NFC built-in NFC built-in
    Body Specs Canon G7 X Canon T6i
    Battery Type NB-13L LP-E17
    Battery Life (CIPA)210 shots per charge440 shots per charge
    Body Dimensions 103 x 60 x 40 mm
    (4.1 x 2.4 x 1.6 in)
    132 x 101 x 78 mm
    (5.2 x 4.0 x 3.1 in)
    Camera Weight 304 g (10.7 oz) 555 g (19.6 oz)

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